Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Vandalia experiences its lowest temperatures in January, with an average peak of 35.2°F (1.8°C) and a low of 21.9°F (-5.6°C).Humidity
In January, the average relative humidity is 77%.Rainfall
The month with the least rainfall is January, when the rain falls for 5.9 days and typically collects 1.46" (37mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 7.5 days and typically aggregates up to 3.7" (94mm) of snow.Daylight
In January, the average length of the day is 9h and 47min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:53 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:24 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Vandalia have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Vandalia have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Vandalia, MO
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Vandalia, MO
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Vandalia, MO
- Average wind speed in January: 9.8mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Vandalia, MO
- Average humidity in January: 77%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Vandalia, MO
- Average rainfall in January: 1.46"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in January
Vandalia, MO
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in January
Vandalia, MO
- Average snowfall in January: 3.7"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Vandalia, MO
- Average snowfall days in January: 7.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Vandalia, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in January
Vandalia, MO
- Average sunshine days in January: 18.5 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in January
Vandalia, MO
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Vandalia, MO
- Average cloud cover in January: 51
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in January
Vandalia, MO
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Vandalia, Missouri, USA
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